From c39538a88dcfdbb905e60f9168d6d49460cabe57 Mon Sep 17 00:00:00 2001
From: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Fri, 6 Dec 2013 14:10:50 -0800
Subject: [PATCH] drm/i915: Takedown drm_mm on failed gtt setup

This was found by code inspection. If the GTT setup fails then we are
left without properly tearing down the drm_mm.

Hopefully this never happens.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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